That would be a nice feature. I use an addon to my email client that 
does that.
I use Thunderbird 2 (because an addon I need doesn't work with 3) and 
use I use the SendLater 1.2 addon.


Tim Meyer wrote:
> I was wondering if there could be an option on lists, to defer 
> delivery until some point in time?
>
> In other words, set a list and don't allow delivery until after hours.
>